This is an Arduino-based smart timer controller designed to control a solid-state relay (SSR) based on user-defined ON/OFF times. It features an OLED display interface and is controlled with a rotary ...
This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...